Medical Term Starting with D help you learn important health words that appear in medical reports, doctor discussions, and hospital settings. These terms explain diseases, symptoms, tests, and body functions in simple language. Learning them will improve your medical vocabulary and make health-related conversations easier.
Medical terms starting with D with meaning
Here are list of medical terms that start with D:
1. Diabetes
A condition where the body cannot control blood sugar properly.
2. Dehydration
A state where the body loses too much water and needs fluids.
3. Diagnosis
The process of finding the cause of a disease or problem.
4. Diarrhea
Passing loose or watery stool many times a day.
5. Dizziness
A feeling of being unsteady or light-headed.
6. Dose
The exact amount of medicine that should be taken.
7. Dermatitis
Skin irritation that causes redness, itching, or swelling.
8. Dislocation
When a bone moves out of its normal joint position.
9. Dialysis
A treatment that cleans the blood when the kidneys fail.
10. Donor
A person who gives blood, an organ, or tissue to someone else.
11. Deficiency
A lack of something the body needs, like vitamins or minerals.
12. Dementia
A condition that affects memory, thinking, and daily activities.
13. Drug Interaction
A reaction that happens when two medicines affect each other.
14. Disability
A physical or mental condition that limits daily activities.
15. Dandruff
White flakes of dead skin that appear on the scalp.
16. Dyspnea
Difficulty or trouble in breathing.
17. Diastolic Pressure
The lower number in a blood pressure reading.
18. Detoxification
The process of removing harmful substances from the body.
19. Diagnostic Test
A medical test used to find health problems.
20. Dilation
The widening or opening of a body part.
21. Digestive System
The group of organs that break down food.
22. Disinfectant
A chemical that kills germs on surfaces.
23. Dwarfism
A condition that causes very short height due to genetic reasons.
24. Dysfunction
A body part not working normally.
25. Dysphagia
Difficulty in swallowing food or liquids.
26. Delivery
The process of giving birth to a baby.
27. Dopamine
A brain chemical that controls movement, pleasure, and emotions.
28. Drip (IV Drip)
A method of giving fluids or medicine directly into a vein.
29. DNA
The genetic material that carries information for growth and development.
30. Drainage
The removal of fluid or pus from a wound or body cavity.
31. Dental Plaque
A soft layer on teeth that can cause decay.
32. Diuretic
A medicine that helps the body remove extra water through urine.
33. Dyslexia
A learning difficulty that affects reading and writing.
34. Deformity
A body part that is shaped wrongly or unusually.
35. Donor Organ
An organ taken from a donor to transplant into another person.
36. Dry Cough
A cough without mucus or phlegm.
37. Disorder
A condition that affects normal body or mind function.
38. Debridement
A procedure to remove dead tissue from a wound.
39. Digital X-Ray
A modern X-ray that uses digital technology for clearer images.
40. Developmental Delay
Slower growth or learning compared to normal age levels.
41. Dyspareunia
Pain during sexual intercourse.
42. Dermatologist
A doctor who treats skin, hair, and nail problems.
43. Discharge
Fluid or substance released from the body.
44. Duodenum
The first part of the small intestine where digestion begins.
45. Diffusion
The movement of particles from high to low concentration in the body.
46. Deep Vein Thrombosis (DVT)
A blood clot in a deep vein, usually in the leg.
47. Dentures
Artificial teeth used to replace missing teeth.
48. Dystrophy
A condition where muscles weaken over time.
49. Dermis
The middle layer of skin that contains nerves and blood vessels.
50. Delirium
Sudden confusion or change in awareness, often due to illness.